Detailed job description
Python, senior — numpy vectorisation, in-memory data structures, memory profiling
Rust, working level — PyO3 bindings a plus
Algorithmic correctness — integer-cent arithmetic, largest-remainder allocation, fixed-point convergence, tree and DAG traversal
Testing as a deliverable — property-based and differential/golden-master harnesses
gRPC / protobuf, versioned API contracts, conformance suites
Google Cloud Platform/GKE + Terraform